Step 1: Understanding the Concept:
This question tests knowledge of variety names and physiological disorders in vegetables.
Step 2: Detailed Explanation:
Akashin (A):
A variety of Radish (III).
Thus, A matches with III.
Cavity spot (B):
A physiological disorder of Cauliflower (IV).
Thus, B matches with IV.
Black heart (C):
A physiological disorder of Beet root (II).
Thus, C matches with II.
Whiptail (D):
A physiological disorder of Carrot (I).
Thus, D matches with I.
Step 3: Final Answer:
Thus, the correct matching is A-III, B-IV, C-II, D-I, which corresponds to option (C).
[0.5cm]